| Airport Code | City | State/Region | Country | Airport Name |
| CWA | Wausau | WI | USA | Central Wisconsin Airport |
| CWB | Curitiba | Parana | Brazil | Afonso Pena |
| CWL | Cardiff | Wales | United Kingdom | Cardiff-Wales |
| CWT | Cowra | New South Wales | Australia | Cowra |
| CXH | Vancouver | British Columbia | Canada | Vancouver Harbour Airport |
| CYB | Cayman Brac Island | | Cayman Islands | |
| CYR | Colonia | | Uruguay | |
| CYS | Cheyenne | WY | USA | Cheyenne Municipal Airport |
| CZM | Cozumel | Quintana Roo | Mexico | Aeropuerto Intl De Cozumel |
| DAB | Daytona Beach | FL | USA | Daytona Beach International Airport |
| DAC | Dhaka | | Bangladesh | Zia International Airport |
| DAD | Da Nang | | Vietnam | Da Nang |
| DAL | Dallas | TX | USA | Love Field |
| DAM | Damascus | | Syria | Damascus Intl |
| DAN | Danville | VA | USA | |
| DAR | Dar Es Salaam | | Tanzania | International |
| DAY | Dayton | OH | USA | James M Cox Dayton International |
| DBO | Dubbo | New South Wales | Australia | Dubbo |
| DBQ | Dubuque | IA | USA | Dubuque Municipal Airport |
| DBV | Dubrovnik | | Croatia | Hrvatska |